#5186F4#5186F4

#5186F4 is a light, vivid blue. Relative luminance 0.253; OKLCH L 63.8% C 0.174 H 263.0°. Best body text is #000000 at 6.07:1 contrast (WCAG AA passes).

Color values

HEX	#5186F4
RGB	rgb(81, 134, 244)
HSL	hsl(220, 88%, 64%)
HSV	hsv(220, 67%, 96%)
CMYK	cmyk(66.8%, 45.1%, 0%, 4.3%)
CIE-LAB	lab(57.39, 17.29, -60.44)
CIE-LCH	lch(57.39, 62.86, 285.97°)
OKLab	oklab(63.85% -0.0211 -0.1729)
OKLCH	oklch(63.85% 0.174 263)
XYZ	xyz(28.2418, 25.3284, 88.9709)
Luminance	0.2533 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5186F4 #F4BF51

analogous

#51D7F4 #5186F4 #6D51F4

triadic

#5186F4 #F45186 #86F451

tetradic

#5186F4 #F451D7 #F4BF51 #51F46D

square

#5186F4 #F451D7 #F4BF51 #51F46D

split-complementary

#5186F4 #F46D51 #D7F451

monochromatic

#0C46BF #175EF0 #5186F4 #8BAEF8 #C4D6FB

Accessibility & contrast

On white

3.46

#5186F4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.07

#5186F4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5186F4

6.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5186F4	#FFFFFF	#000000	##000000
##5186F4	1.00	3.46	6.07	6.07
#FFFFFF	3.46	1.00	21.00	21.00
#000000	6.07	21.00	1.00	1.00
##000000	6.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F92F8

Deuteranopia (green-blind)

#3083F2

Tritanopia (blue-blind)

#009FB1

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #5186f4;
/* rgb */ color: rgb(81, 134, 244);
/* oklch */ color: oklch(63.8% 0.174 263.0);

Tailwind

colors: {
  custom: {
    50: '#92a8f8',
    500: '#5186f4',
    950: '#000000',
  },
}

SCSS

$custom: #5186f4;
$custom-light: #92a8f8;
$custom-dark: #000000;

JSON

{
  "hex": "#5186f4",
  "rgb": {
    "r": 81,
    "g": 134,
    "b": 244
  },
  "hsl": {
    "h": 220.491,
    "s": 88.108,
    "l": 63.725
  },
  "oklch": {
    "l": 0.63849,
    "c": 0.17422,
    "h": 263
  },
  "luminance": 0.25331
}

Semantic roles & 50–950 ramp

primary

#5186F4

secondary

#EDDAB4

accent

#9B01E5

background

#F9FAFF

surface

#F2F4FF

border

#CCCED7

text

#0E0F17

muted

#7E7F85

Preview Lab

Preview with #5186F4

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →